{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0x3541b3f6d35868ec9242ced88115c2017bafd7250a1a70dd8db51cead69eb325",
    "signature": "0x896dbac854dd50c96b8a22ad0ad9085979c78e00b8c2a4fcc732b2a3166720d903749dc4a5e9a6f626fd64a116c8206e400276c51683d49ba2511b616e88879d1c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}