{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xe82fb76d364d3b885c76ac264546ef21eb1ae0cdc442e94d7784e31532fa4509",
    "signature": "0xb4a2213f8912052f74d7f53c486f0f053befee79736e0f0aaab182351a8c21d67a1667a55644106856c4b679c858dcdead0573ea2ea5975ee65c5c95ef2396261b",
    "signer": "0xfe60C025b4ac3580259993633A119E01F84e64c9",
    "userId": "538196413"
  }
}