{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147461",
    "entityType": "User",
    "nonce": "0x549028a7c911f880ad3fe9eca5825ed1cff05e36528fef840975d1d869a32b6a",
    "signature": "0xaef6cca1e73a4001c0d46fb6a55b59637b9a04000d28c9567f4215df5c3029934ea157a1382998d07a96e47505320f2b943c85e86175f7a6a49e141ff87e49541b",
    "signer": "0x3e16afFf69eC32202c1B755Ad919C7aA325B7aBE",
    "userId": "902811065"
  }
}