{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "311829956",
    "entityType": "User",
    "nonce": "0xe2a5aa12110dfea6750e99f3c1c07ee7715f2f3f83b395f8bcc6190d324ade59",
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    "signer": "0xDDCce44d487ED1f7297d836241df35AAB6D867b0",
    "userId": "22610281"
  }
}