{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0xef70fe87d42cc53e5f78c85cd7fa9ccd6b1b62007a3e6252fe48f3259c8a4cd1",
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    "signer": "0xBb2caCc6cEB2E54202DC5061152e55e2E7e6ed85",
    "userId": "1855643"
  }
}