{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "84393",
    "entityType": "User",
    "nonce": "0x338a6e77557e2a0c7301a49bf9f125832b1b915b218b1c1e8ee7dcad78d01ef3",
    "signature": "0xfe46a9fd929cb00c25bc0f24673de5b9168a7255aa7da5f9c8c3837a2f5ddc5e5e5e435e93d3fe56f7964dbdb072eeed4261d3cabe41b1fd5feace38a04e58511c",
    "signer": "0x36bc6698D697Dc3869a485812450B1DB1f0a0c04",
    "userId": "400035644"
  }
}