{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76680",
    "entityType": "User",
    "nonce": "0x1f24683ba29d5dc765aa468a7952b5041b2623a30ee69ba5d2cf1bae84baa93a",
    "signature": "0x790225364b0197a9299779e288a4460121d31f678574bb53795b780c8b8ab35c1cb54b52b978f63c42b4d25141bb2919238cb17620611782693cf21c25721d351b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}