{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x7d8e7e2b70c6d9225abdc79cb4340653eeefe58b1568fee20db2535dcd643072",
    "signature": "0x124bac1b7323d999f2e54ed97462e61630a1665f1672c0352ba801f732331f9458dcaf5970f86f9b6fbc675776d8f75fb9367d3b86a7b4e4ffdb02e8f2005cd51b",
    "signer": "0x451d1Fcc610ac6c427d570E73Cb3641Acfa23b6b",
    "userId": "134623867"
  }
}