{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73670",
    "entityType": "User",
    "nonce": "0xa44bdc3a292084626c65e26dfd451de248c108c16843255210e7783b9f98fd46",
    "signature": "0xc1fdf43698ef6af796fba06f7a352216330b7987f3a9326684107932feb2c0292e31be3f53b8355f02542cb110da865baa869893ab006e72977edd74497430931c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}