{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956403",
    "entityType": "User",
    "nonce": "0x5b7094322b34815cc5d55406c0f470731197c25569f4a29bf4f109ff5b01cab2",
    "signature": "0xf8639d5f4b95bd251bbb95880440547de2b67cbead857138154506e0e335c8c56136942cde79ce4df23390cd26b299e41c9d6e85fa27dfa3b0133fae1bcf32a41b",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}