{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55234",
    "entityType": "User",
    "nonce": "0xb6ca0698053c289cfcd274a9249762da0cf3d73e9fa39502b49480a2c83cfb25",
    "signature": "0xe4f1cac6d12b566ef3b8a22945ba6facba50d5125be9a754a27352e90f2d92005c3ba446caa7c1d424aafcef7ec1342a15bea64ad2eb66031abe0127ab10ac5e1b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}