{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1036471",
    "entityType": "User",
    "nonce": "0xa7f2bce2025bd7817992627bef51330da335b6c58c12b374f176016e4cdd9d39",
    "signature": "0xf59764c8c26d6c666c3e632c767a8f1a45bb96ca61a663bce7d7cbe27cb35d155e52d003589bcf2df7f57d167c498e3c86c29e434674c73c31a87aa9c6bfb5e21c",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}