{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "223236",
    "entityType": "User",
    "nonce": "0x39631865a9cc4fa7e9cd00905b7ef5bd979960ef862e9297e55c01034d8e3b4f",
    "signature": "0x2da1a342b06191ed189ef7201a36d349bab81d90aa9e0ae0957f83b6c86f46cb399f51ac3f0dd3ae23434cd819b9cd65d9f106704b83c9e09268e94c3d5ccbd61c",
    "signer": "0x5221Ff54171381bEDb08F66d1269Df8Ee02c87ed",
    "userId": "618655237"
  }
}