It's simple!!
1.
https://blockchain.info/tx/56ec7ca7dfea1c105acf0974331686e973b737e1fd97fc7f970a0cf0882ba7ac?format=hex
2.
https://2xoin.com/getRSZfromRawTX/
"sigR": "00db0c51cc634a4096374b0b895584a3ca2fb3bea4fd0ee2361f8db63a650fcee6",
"sigS": "59a23e4521da413a2c7d0f9a668eedc2e5eac88347c67c48dcca0128fda1cad7",
"sigZ": "4b2cdf712dc7d3fac8e7ed63b3a2e806556ca7d5c30ed5f4b34dbb2a12b0c18f",
"pubKey": "02ac75a5bd9640d55b8300fad347740ac447e4604fbc59260c2dce39f356a0558f",
"sigR": "00db0c51cc634a4096374b0b895584a3ca2fb3bea4fd0ee2361f8db63a650fcee6",
"sigS": "39d5e056231a5823dc0957e3d0fa3923ce71f781ad67140a6433fe6829bdf811",
"sigZ": "1cd506860c52d7e042f56b33a856b94fdefa3bcc808a06dd3b82619db2c01969",
"pubKey": "02ac75a5bd9640d55b8300fad347740ac447e4604fbc59260c2dce39f356a0558f",
possible k = 539
Public Key: C 02db0c51cc634a4096374b0b895584a3ca2fb3bea4fd0ee2361f8db63a650fcee6
possible k = fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0363c08
Public Key:
C 03db0c51cc634a4096374b0b895584a3ca2fb3bea4fd0ee2361f8db63a650fcee6 !!!!!
Privkey = 79c7f119413edb1a9a9a2ea655196e0e3b6380b6d612dcc69c7c143816c8ef29
C L1JSKFNgNh7FyNw642ofHzivm8ua4EqpEqZyVQ8rmC6q6S9RgzYj
Here is the answer to your question!
k
values while taking into account transaction malleability, see my answer: bitcoin.stackexchange.com/a/35850/6091