{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "172280",
    "entityType": "User",
    "nonce": "0x7c46ac39d0045a8d9a541f2bf204b77369d9a142b3d16c936dbe80bd25729746",
    "signature": "0x49f56d9a4794afd13b9424d0470c77cf7ad52df07d5bcf6ccd552d1f79d9b1914086acbba3452083d6445a3f4965601f3dac3029a490561a73aea409a2da1fde1b",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}