{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa591d0b5f1e16d16c316ae60ac2c51307ba029a65146193b35d7239056a68207",
    "signature": "0xaea5b61bf01fd738144a897bfb095d556fd2a4196a8891d8047328a37ca7c89d4fd55e3c76286c118ee99d479c26228da5da837f485f0dce2767a994dde5786d1c",
    "signer": "0xDe292Efc496D44dC7C2359eaA950E475A3375Df4",
    "userId": "218213724"
  }
}