{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "918437042",
    "entityType": "User",
    "nonce": "0xb515f228efa43c2dbcc94abd51c4dd84f3dad9311f0bcf0ad99c5e6cf84e4148",
    "signature": "0x3dd09481d0d0e7b1378cd6232225d7fc72084156beee29ab23a8498a5f3365d165c1d3eeef03029223bd0dfce087c8526ac48eac366a9162cb601a686f7e9ea71b",
    "signer": "0x2752c6C488Ef240895028c3B2287EeC269C7EC7A",
    "userId": "79019982"
  }
}