{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "917715333",
    "entityType": "User",
    "nonce": "0x1f4cd825374901828470d5788b3a3bb8a6f4e5be9cb090076bcfaf0f8df16c36",
    "signature": "0xec564f3c74494926102dee676e0c8db36be2e0d472e6875ff01ca3171adc508e5995a348434c6647d8ed4ea7d06a2dc7df6c4fb73ce1f83ff8caf9f1e03ac8611b",
    "signer": "0xFA2BcB8D14637859aa98a87cbe91187525bbB963",
    "userId": "965833467"
  }
}