{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105562689",
    "entityType": "User",
    "nonce": "0xeb370bec8826fa44f83dab90c268e707999f9465750dc319f1cce5e898332b8b",
    "signature": "0xec4fdfbbe2360dfc2d3ec2610974e62ecd237bfd3b8292d639b7adb9b4e116c41b40a5ae8156ce18f81a96d2ad023de0396c2e6f50005b9807356d0060cdc8c41c",
    "signer": "0xe270C91f9476B885124d6c0208211213dC10036a",
    "userId": "94825285"
  }
}