{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166328",
    "entityType": "User",
    "nonce": "0x608149dfb2c43747bfb343cd4406584a84953f0c0036f3766704fa2ff71ca3eb",
    "signature": "0x85768c8fb16b3d66f22dd2a037cad057868c18f31bf33488a7f75db4837c953e4d951571c7b1483485e0269998475a5fe03bb7912ce2756fe097927fe55dfe7c1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}