{
  "manageEntity": {
    "action": "Save",
    "entityId": "2093217217",
    "entityType": "Track",
    "nonce": "0xb872f5ca0d6de4ddbdde5a2bdcfdb400027a17623517958253649e4ab2bd6075",
    "signature": "0xe36dc76b7b582380d1d6bfba9872cda90b30c7cb8b91b6b0381ce8fbe639492872b56a49865574998b42084484cddeee3796634b940b3181c436cd9abc664cc81b",
    "signer": "0x5abad058d33E1C0C0A69d85BA3181678C1721765",
    "userId": "632918751"
  }
}