{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2032466",
    "entityType": "User",
    "nonce": "0xb820e0f9c4aa43c08aa161b746fd1bd9d6db334ff6109be38ef36e301abca4b3",
    "signature": "0x94c307199bcff44df95a2504ff924dc56f16462951ecd91445e069d41a7b2d5838f7b34f801f1a0a8f8b7b0ff773901ab89b737cf03fa47241f88784c308835a1b",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}