{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "963075181",
    "entityType": "User",
    "nonce": "0x9736a6532e3c4b8607c19bb47f0ed8ed8e5cb873ab106e6a00da5b81e9379cc2",
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    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}