{
  "manageEntity": {
    "action": "Save",
    "entityId": "1492106530",
    "entityType": "Track",
    "nonce": "0xc4bfba621a3805e1183c49269312e1a2b2ec07adb3e54e932dd51eb4829ae8c7",
    "signature": "0x11fcae57ad17cc92d06ce5b61a2b5beaa073a80b83d71f85bfc77cf58449d78913d60a4dbcd4320d56784bdbc81dae4335511e0e30f85576c78e9ea9301318971c",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}