{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5637",
    "entityType": "User",
    "nonce": "0xab226197de505f4921c26b4a036d51d191205e306022798776ccb7ae636bcba8",
    "signature": "0xc3e89900b165cc62f38a2f314a4bd02b18aaa9ad4a87299478b1555d58d6377302b2dbd81cfad0e07b6a76e50d3b7ea62dd7330815461fec9283b9cd67ae69c71b",
    "signer": "0xD7Db519a2A03374B0548c02822bE88402aef1E5b",
    "userId": "715241773"
  }
}