{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1791962",
    "entityType": "User",
    "nonce": "0x895fcbde683d2565c3a89eefd81ccba0abd4e405e4f882c166520f6c433f80e2",
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    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}