{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1713713",
    "entityType": "User",
    "nonce": "0xa072cbf7340ae5c777061a7245103f9c3426280174240efa0f46a17c418b8f0e",
    "signature": "0x633f68f631590dc2e7e5a0407eb42ddc7da599c44a77e310bd0dbea652575c1c21274e3fd8bac67f3e7906cd8b2609a47c95bf0f0638df281769e5bd9418d5da1c",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}