{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68172",
    "entityType": "User",
    "nonce": "0xf56ea7f966af60e1396fdd1ec782a5dd176015dd180d76c89a09fe00714014df",
    "signature": "0x8aa4f72ebef106539bff5e4a214117f00a36117512fea8d410a033eaed0036cf4f476866fe71235c6e36724f47584aca488f1b9d31248d84a9d929b225fde7b01b",
    "signer": "0x3C02Dce6AcDC1527c5bB9829a675a743ECbaD62F",
    "userId": "750137068"
  }
}