{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42337",
    "entityType": "User",
    "nonce": "0x38c1369f0dffb14a3100b2ffc8bc1cd95e0f2c00a7d1602cbfcf4ca1b0db98cc",
    "signature": "0xad403cdcbc2d830bfce1a158efdb58f7c5a785c1e9f4178d0a045a393fa8ca11186c3a0eabb711ca28be265a4670a71a345225fe85a28040185cdcfdd04d192b1c",
    "signer": "0xB874f4621c8c59121feacEaD49e379Baa95ebC5b",
    "userId": "480497000"
  }
}