{
  "manageEntity": {
    "action": "Save",
    "entityId": "1060996375",
    "entityType": "Track",
    "nonce": "0xd2e0dce2ba42f70b29b62130e7e99c2776978604eb33d7d290391f2f292d467b",
    "signature": "0x889ebc002afdff318b40d4219b2d2f08c04f894a189244e04c0c405a3b2811c40826ac7343416a4ad87019276108d3066d9498b86940608c501da1f555f92e311c",
    "signer": "0x0b901AE3Eb7b439095858D82Ff194CfeD0Fd3396",
    "userId": "167557"
  }
}