{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "842214964",
    "entityType": "User",
    "nonce": "0xfa4aacdcff189e9aa2b63435c7e9853af93197ef0d42990d228bd49fab635e6b",
    "signature": "0x033b691e91efe848831b824e9dce39fbb8c187a4adcb18f4055dd7e6fdc865e93f27d3e35146936e499e7d46f294c10c3e12da02f0713c293363fe350c763e061b",
    "signer": "0x9FF2A7F5Fab732dA57359bb3eD63a95511bD1329",
    "userId": "67863854"
  }
}