{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "253160273",
    "entityType": "User",
    "nonce": "0xa005bfd59e6599e7c329a9977517895860c1f7b483e007b8b737b85f0e66aa6c",
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    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}