{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102006",
    "entityType": "User",
    "nonce": "0xe7a467e33e81b0bedec7b2c3ceb7fc27a71aa62ddfa31b3ec9590dd1883e9eb1",
    "signature": "0xbe6b895c2ce73fdcf9b72470ddef1f19392d5b8c745ce399ce238b1e317cd8b911fc230cda8a440b5ed8ea609bda79b7b73bd84f3950578dcd07d949026980441c",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}