{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "86771",
    "entityType": "User",
    "nonce": "0x4a418189a6b701ac6cd483185dc76c1a917fc28d0cc57a813ca69388ee309cae",
    "signature": "0x5da9a45cdd9efe6f28c765127154da418e8e022880ee189940947d233dc0d8607536530ef75beb8980d2908ef7eaae463a56918eda80371d677957eb73d290af1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}