{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "162051",
    "entityType": "User",
    "nonce": "0x8f970ee05eb1221056a1967ec735dff9c928d6d61abc57d3224c9c3de175febe",
    "signature": "0x570d39ca923b63f44e4e5751fb092af2166f90309f976b5388e1e9a7b8c4a6c82ae29863695888aaa409414ccd62dc16d371059264a6aaf478b5150bd92e02a71b",
    "signer": "0x2B023F6B15A25e65EB374dd5f3F2beF64B17fD5F",
    "userId": "315709354"
  }
}