{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329513359",
    "entityType": "User",
    "nonce": "0x2c7d6e48740162c1cc5ee84f96171ff9b711096877926f4f6a8c595f73e718ba",
    "signature": "0x3119ad4980d9966d0d06cab1e33b67de9892e71144bc94309e3438b027dd61f24ae6dfcd98e2d140b01946e0bcf699ba55d1e727647696c81131b21b1d052f8e1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}