{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "360387",
    "entityType": "User",
    "nonce": "0x382abfc2a20d2167da73e35181285b1dfc5ec6d28b3722335796c299a37e9083",
    "signature": "0xd71a774580779e4818314e1bbca50f32ae8acc72f48fe40d56b4071a81da3f5451c76faf568c43110a60cff5edf3ac789b8e00b453e73959f4a27e62c78f9e081c",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}