{
  "manageEntity": {
    "action": "Repost",
    "entityId": "763388311",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x40ec4b5f8d53d8b1487a4296a064263ea0c22d74ff8225baffdcd1062435fbb0",
    "signature": "0xda20e1f8fa59abfb454fe18a8da3a34fbe073cf3c8119aab25dcbac03442338a0bb622b7cff6fd8023f33d8bf3196132895e38ae747c8eda77eb61a02f79b85d1b",
    "signer": "0x19EDB4c1a8740c323f6e57B80F3422C01875289e",
    "userId": "390804"
  }
}