{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1385998271",
    "entityType": "Event",
    "nonce": "0x08b1b746721471831d61a112afd7d0417785cc2e1201ca4632c4825d0494e41d",
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    "signer": "0x8a7825780b6dFb84338c2B3fb395483848Fbd047",
    "userId": "234788997"
  }
}