{
  "manageEntity": {
    "action": "Save",
    "entityId": "1110500095",
    "entityType": "Track",
    "nonce": "0x755e2dbd4311b9115d97a1ceba215db71faf20e036d1acd81ea5bf64a16f2c6a",
    "signature": "0x27d22fe09acdbcadd4c4099224ff395363010d8e1de1e1e8df3df4d3f7438a9743856d6cf91c0cb7c47d8def6874445267f38c671239c71fb2a428acf6417af61b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}