{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0xf361a8eee8844fd9d109d79a661049704e8398701103ed71a855ff3f3e9f292e",
    "signature": "0xaa7a29c6c6bddb62c70159fd44006de02f30616bd6e209b2d9841138486f5b0b187fdf1e0e058451fdc3c8a85e083dd47a54b05deca3afd8acdaf5c4ab614bf11b",
    "signer": "0x4d84865eC9840b029213f7661b90599431ed21C3",
    "userId": "477260546"
  }
}