{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "191315561",
    "entityType": "User",
    "nonce": "0xde8f881cde69ab87df6ba2bae661e72e227908395e32cfd0c1d6f298c796d0b4",
    "signature": "0x985072195f9d82831cd14f2a5636b01448926bc6d98efdc21550705adbe8dabe48b92e8d16c78ccfc4ab455e927dc6cac1de7e192284273ec3f075015a39fd051b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}