{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "970214396",
    "entityType": "User",
    "nonce": "0xc1091b2a338cb76c62680ff4a37a012bf51ad443413933144f81eab19e651ab0",
    "signature": "0x86246b3efd75907c0d29ec9d92672268ae11e7cd7cc4ab6921cfe4b33ec5bcd71e9e7fdb621db32600fd3510b67b21b09524ce1ce26100f61681ffd817add90c1c",
    "signer": "0x0E71C12c426F5C9206F778713f48B60477CA943b",
    "userId": "29088079"
  }
}