{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0x48eceed18729e90b66c3a4824ca178b15f57ba9c3e64053e5adcf4ff440c7fed",
    "signature": "0xbfcff352efebe9f131f80d67361b283e3d81f186bb623b1cc380d65b615f3ae139736e2df9241dd1b7ca8b6f8344396d161cbdf04c394644bb564ce2aacef4131b",
    "signer": "0x809Db232a6131f46553BA571FB17bFA2cc58aeE9",
    "userId": "351386054"
  }
}