{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "839739705",
    "entityType": "User",
    "nonce": "0xf06e25ede8f66c27c8f76746d9af44ef0056d5cb35c9e9f0995dfa5bf7226b34",
    "signature": "0x8ceee0f08ce8290df18969c63848d4bd42cef03038dd9393412f86854be1c31f6d7ac714fb5668079ba421a285df47faa363c93365bc80d9c50e6f2c6c423c441b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}