{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20735111",
    "entityType": "User",
    "nonce": "0x03cf4d0a0565d88f98a4cc9a3a63db2342048e4db28d212717319df06faba14b",
    "signature": "0xe0371fdbd13337d01a298f852d8f89864517962ca9ba7da864cbe423c7418f036302d90a9582c8f83bd70f1f997b0f4804e4cb4fbf52ad44c18cc54b13a548481c",
    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}