{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "933842159",
    "entityType": "User",
    "nonce": "0x15f5148db35e4d6d0a7deda4db23ad497048d1298cf7bec319542b14edcc8edd",
    "signature": "0xa91e940cfcf9c8bb3b66a9e96f16fdb02ea5d0f2ce1334c845c0970104da89791c4878d70456cd1231292f80823c998338db09985d7dacf6a88ade8b2946285d1b",
    "signer": "0xfBD2B2a59726b49e1d17c6691F6E33AC362664Eb",
    "userId": "173775879"
  }
}