{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67658",
    "entityType": "User",
    "nonce": "0x0133b45788fd943cdfb62c42196c23b5a254e35c069b03413c9fdffb119dfdc0",
    "signature": "0x747e368c33386b3b18df6060e649da9e3b2945bb7b5f16fd259cab5acc5bd79a162ca8187642e4135d3e97b9644b8042990ec4fd08555f6503305bae54126fc01b",
    "signer": "0x4950A7c498b6c214e83B79502162b7f248f9e6ed",
    "userId": "499895630"
  }
}