{
  "manageEntity": {
    "action": "Repost",
    "entityId": "600168578",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3023489344f61c73489902ef67467785ee696327d5f4cbc173aab254a49037c0",
    "signature": "0xfcc2189ec15ed5cfaf81e628e5ad3353684ba902bdfc4a3efebfef6a026ff6281008910025daf1e542ecdb0c8fcb724f2662858f658925538b7c129015d5eda01c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}