{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "206753",
    "entityType": "User",
    "nonce": "0xb9161edcd73adb4d3e2f96cbd82c5e74cfa7bd97e4525102764338c31fc704cb",
    "signature": "0x678453e3e3fe3670248325d896af06d9a6fc75d68800612e5d3f33c34a10ab193a4766557163c18baef9aa920604bd7b48bd7719604c979644ed9473dada2b421c",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}