{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67658",
    "entityType": "User",
    "nonce": "0xeaf24673e5c2dd6ea5035ddc1cfadcb725546b3a94e845f4fef74a68f64b6032",
    "signature": "0x6619f85af3496c7f7b706ca42e771bdad53a596173e0643202a087e407bf338a7d483b4a4faea845115deadaec5f1d155c99715ffaac3d37fa2b40a039ee2ca41b",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}