{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "227522",
    "entityType": "User",
    "nonce": "0xc759ab4b64e97743b745cd7a2f01f2b263e21232960b68e3a5dbe6f30e4674e3",
    "signature": "0x63f1468533c2a5e94d05decb84493de9f0d44fd1c623d9e867b8948a1acdc85422c1ac904b07eef224c3ff1b574cb6f0e3cb056f80ad0ac53c0f6c103f4e91121b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}