{
  "manageEntity": {
    "action": "Save",
    "entityId": "2095636034",
    "entityType": "Track",
    "nonce": "0xed866e3c128f4d0e453bf36de460df03345c56cdd0b864a895e8082aabbf8ed6",
    "signature": "0x8cd530a3b28bacab361a2b7446cc682498fbd6d6c18ad8d80a112d8c45522dec2c1e500028b0ec9f23a94d62338d89b5a38c9ce37e6fa95732c7a28dc3425acd1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}