{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x2b75508b9eff65d163c7ca63fcbc696e14ef7ce1608ef38e0e5d1bf7be4ca82a",
    "signature": "0xe9fb35ab33ab2d80240077ae1011a35c0ae2c8dc4ea70495573e73b7e518a978400be959684d9094e5cb8c82a41eb70d4082c8ce1a95ab9f4afe5102a91dc3e61b",
    "signer": "0x0AB9D08AaaB5a390760Dc12953A18909cb1DC93e",
    "userId": "664855023"
  }
}