{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1265407",
    "entityType": "User",
    "nonce": "0x33474c2db679d30a95abc5b29c46f5132dd9411de05a6f2e592c7c69abca8edd",
    "signature": "0x90eac54f837f0f1a863e24153e57b159fc8de90e0f80c2de3b86d6a8d0080bdb6c3079b55bd71321435fe5b9fe56ddaab1cd221249e5213653ed0a4072fbd5b71b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}