{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "809803",
    "entityType": "User",
    "nonce": "0x99c98019fd4c1956cffa51abffaa3fdb61e31c08639fde04786f04c48db08fa2",
    "signature": "0xed8993c23467046a23550aab1eecdd32f719fc4f4c07be9ac465d04234f31a832ab3e9868cc152f0f78e7050f6c078d9aabd0cb8f97addc123b1ccd55bc6273f1c",
    "signer": "0xCfbE835B75FD5F0aA89ef2B26E43ea4b5AFa873B",
    "userId": "15292436"
  }
}