{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1645b411880521e60acc0984538781b7ca6512b249bd78a20fd2174a9c86fb32",
    "signature": "0x1235fbf63c3fd8f075cfe998a1a14a481e17190b6dfb367d91dd1cf7d4142a5f117fd1dbb3709803b8803ac9cf370c9a02c76e0d7a5b4f3586a72aa73fc578171b",
    "signer": "0x1EBB79163f7404d83419599424B8B9ae4eFDeE13",
    "userId": "844554896"
  }
}