{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51062",
    "entityType": "User",
    "nonce": "0x355d0a5ffaa22bebbc0aaa00da0cfaeddb8c9fb69378ec3dadec518e9b3e47c3",
    "signature": "0xd3a497c7e14b136bca9540dac08ccb4a7c0c2db35fde6e41198e61abe84585700e01ae83ef5bf8910a628c2e4f3037df33591bf93e18c7b87b32f08d14ade7831b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}