{
"manageEntity": {
"action": "Save",
"entityId": "1079906413",
"entityType": "Track",
"nonce": "0xf1fe4bd679b6c3996ad1b72d105a003fa279ba685fde75de2583b8b6a2628c40",
"signature": "0x6b0e666f054dd931c35bf72849d7c73ca2237ce57b1195f57705ce887bc065567e873ca93df7a8ae7e4913df79a4fcad633ca3976bf3aa427429aa5121d7f6511b",
"signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
"userId": "456716469"
}
}