{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "462027",
    "entityType": "User",
    "nonce": "0x50564cef7b948d7a5d6dcfa145f3cabdaf2ab94a7b86c4cc1e36d0ae65f0e67d",
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    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}