{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94167",
    "entityType": "User",
    "nonce": "0x38a139b4eb9f93e5350f0dfccde4374cbe07045a69b96c105f704dfd8b8376d2",
    "signature": "0xe690d6e74ab07cb4134d5eca3f8bd60f6a0703f803bb6f5a6165a8315f2315154c7f3527cd2c1fa3bd33f8aebc58560d4bfdcdb23aff0b88d4c4eeb4fe5b07b01c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}