{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59528",
    "entityType": "User",
    "nonce": "0x1a33e06b9cd23c9ec603d2ae57b90bd114b887e45d40fe3cda12a992ee2a69e4",
    "signature": "0x83d4757c21c0428a715bc0023b86e7e2074c268c2380314704366c3dcde3b487528662f20e7bdde90e4b07540bbfba4cea6268aa7915b537dce2fe7bfc5035821b",
    "signer": "0x4Bd99c6c0D0eB2ed200b58e7C1F52c7d3962A3b5",
    "userId": "72043034"
  }
}