{
  "manageEntity": {
    "action": "Save",
    "entityId": "936814234",
    "entityType": "Track",
    "nonce": "0xedfcd6a14d9080051c5d9af140b8a437c13f7858634fca24a911324dc18533b4",
    "signature": "0x1806eff20b0f996088b0add4b333f1739baf50171c4f98faed53d2dd0d1183765e9b1761ae142ef6918e5d196dc6748a46c40104494d848466848520e3bf16721c",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}