{
  "manageEntity": {
    "action": "Repost",
    "entityId": "21183",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdc41a02df3857fb8e71e72e59e2c93abe54b135fada54901d31ff96bea4e8650",
    "signature": "0x8c14f8800419d43438e6123f992f02078b39cddfd5f49e0755790553fc3d26be666a3fa6cc2e977daf1397ca0f0d652943d758ca5c319a748f52c54ac11abc0e1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}