{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64336",
    "entityType": "User",
    "nonce": "0x14dcc48c08edb5c0ebff3b6e84a82ee8403f06999c77a3ad08fef074d3e85a29",
    "signature": "0xdf3d442f2c570defb1bd6d90332f66ce8c90c9a6aaf5794570e7bab452113e145234fe9eeb6a537f7a6c69c04a86e13eb4b266d6c6ca59f4d4484dc875bf48b71c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}