{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117874",
    "entityType": "User",
    "nonce": "0x105e92de943e905c950e6a8a1789bd1dce8e8511028457a422140abf6902d501",
    "signature": "0xa6033d75b6cca6d3a97d0c2da6fbc3a32bb9c02f4e8fbcc76a3a5764df4975e206e20aff95eb6d3ae286833d7732d8cd13f998a6b97c2111f503bbb46dc4c6ef1b",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}