{
  "manageEntity": {
    "action": "Repost",
    "entityId": "399338531",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9df3ccaceaf5cfb7de47fa79fcb97180b9471e6ab18e4e93fa24b6b0315d36f2",
    "signature": "0xe4617767350198f395722977f618dd59a75c444ae64f8446039262190fbbcbe970804e575c4f2da909245f03569688f6c125ad3d50d4358152ecd7537fb182ec1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}