{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1557014320",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd01e3d385a37e5ec742a27cc10aa4bb1801202c34a61555155594a5ee88e98f1",
    "signature": "0xf41ca653dc2a24d6c6ea07cc03ff6239007ffe4af97511e92ef36ac06442c6c441746608be7c92b81312573e224457fab60b6cc5e9e8619728d4e09df5efd8691c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}