{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1037777",
    "entityType": "User",
    "nonce": "0x37d846161dff807ef3b37ec8542815a875a4797a59a018191e3020ff95505dab",
    "signature": "0x393aae87bbb2e93813e74d1e1cb8872d08990c7e93e45ee0a150083428171aaa77b7cece9dcad2d9e3f49e6bc37153fe3cd8ed649a6682f22e52168a6d8f53741c",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}