{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1965",
    "entityType": "User",
    "nonce": "0xede248e329db25d8383873e514a8eb387efcb9bb8b816f9ce04219f8daf9ba81",
    "signature": "0x63574ecbd0cdbed2e8e8f9fb348a6d002abe8054e77b4ffbb3831270e7dab2527d83d97b4d26634f11a0a8d5bb4a9fedac7e8a0f80225c67d9bb28e1f40550811c",
    "signer": "0x12705C8Fe8CE886CeFEFa0d4d46E906f2c35C954",
    "userId": "477934274"
  }
}