{
  "manageEntity": {
    "action": "Repost",
    "entityId": "612974610",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9c7cb82f1ec73725190cb4bf570012cd3c0e55406b12c244bef2ad08e4b0b4a1",
    "signature": "0xdf1cb8e48c54a83fe8723df54172710652d6e1f556dcc397a0fa65fdda72e4c47fc38428fa70e48e9e1ba2e473fb4c73d4cceb849049d62fa65a34b53c40d4ee1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}