{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2691",
    "entityType": "User",
    "nonce": "0x96106818729454d8c8128e08c35b7f813be5d7589ec37b04fa45bc6a56f61bc6",
    "signature": "0x1bbfaf34a5c89a4676b434a02a54e71f5e0963d8c5a39c7404cb83e9d689c2eb5ef811d26d9a2f4550726688c6e9647b9652055888b8ba7df76e43ad8dc30cc31b",
    "signer": "0x214E702bb627b4D95CA67472f69e5e4291dA4B72",
    "userId": "284269075"
  }
}