{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x5bb2a2fafd7c64ba33c531170e79dbb239fca23a1a81c7e75c6b85707b4dc127",
    "signature": "0xd5dba150bceb8fe8ce3851c987f4af4ac280390d40b63a116bf1bbffa68238723fa5f0538c0f47b807cac95801a0274a86edbd5c4839bd926b61aa516a3c89ff1c",
    "signer": "0xd1bC12b8b46f2FAa152aB791052b4a26826F86F5",
    "userId": "481080235"
  }
}