{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x0704da0eee4d22892d0b87562bb0fc6a71775c01e6173cb0e3fc8c5ba36701dd",
    "signature": "0xe0a3cd5286b92bdf1ea3445d1e537be2d6216ea2619f917a1b587c3d0548894f0c01fe81287033c3db67211fdf361fd1ba2629240111d99b4ec5a0ea0829cdb71c",
    "signer": "0x0AC77876338a1310E24e939DC65C28Ae87A0D298",
    "userId": "415577056"
  }
}