{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0x2c9923f9761b8e1f4578d65f398daba9d6e73c54df763d85c81e04ec66267845",
    "signature": "0x598b38586ee6243f91e4dcd0df0d8bf406f038c7e7decab8606756ea75a960da2942eb828436fd750dd9181f4c56ba0e59ae241b4273d46c59c97f27b49d956d1c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}