{
  "manageEntity": {
    "action": "Repost",
    "entityId": "666461773",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xcae9f3e8d3cf9a41f93370ad682071ad0357d7e7e0fb5f2b0dbea4ce2f3ada4a",
    "signature": "0xdd70f010dd50bb25e71d19a8fd05f345ae2694614a87f39fe8fa65214e463b3a733f1c6038af8f58aecfd3d62522149f300766dc5581da5a34e488fefe9a2a3a1c",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}