{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "208551",
    "entityType": "User",
    "nonce": "0xeda5464c0059e36e40caa7d4ca94986e50432a677a9c9943d7c259b1d18b400a",
    "signature": "0xe666652bf6097086e177547acfc47d8302d83fb796b6975e93fb464773bb41191e4aaa650d9724d14067f45ff9a594ce39c60690fd69a907a1913919a3e09c2a1c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}