{
  "manageEntity": {
    "action": "Repost",
    "entityId": "388893",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7bb309bf6eceb170bec769eb9331f3fe62ed4126bc9dffc87911d7cc5ed770ff",
    "signature": "0x21245d0c62e6d2847d2fe1daf21c7f00a2036950adb9e53a43a905209b50195d01bf7d3d6d697a3f7e880cf2c00984cc42fcc9316859c99580f2eafb04aabec01b",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}