{
  "manageEntity": {
    "action": "Save",
    "entityId": "1984897033",
    "entityType": "Track",
    "nonce": "1792530660151613595",
    "signature": "0x1679ab492ed07cd5f4de655e6638d36137d2bbc7cb1ad326924a5004c1fe566c38b9e70b15cc1affa77e2aa522f000cba117005aaeef989663684bd64fc948591b",
    "signer": "0x23dF8876fD80368D375d911e3CbDFd15B8e85CB5",
    "userId": "827420993"
  }
}