{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707937",
    "entityType": "User",
    "nonce": "0xa92c4e92987f9f5b05c48f19e9cecf35c52187e86060b20b15959246993c225c",
    "signature": "0xe30949ea4ff3c2825b11c04673f9c6dfd2290d06e2a8ca6c3c796a5039860bbc3699b83f4c9a1a4feeaaea5e7740080233e50a93a13e04bbb7c3b32fef1295841c",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}