{
  "manageEntity": {
    "action": "Repost",
    "entityId": "787272",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x46b3fcd7472d1c0a5f0e9ac2eb12da283aed3b9172ef8413f492256e8cdbe8f1",
    "signature": "0x4179407f7da2e3f4a7d6c3b4685ef012a5c316aa939c9cead14bb4c76a76323943180515a5fa38ee1e7edd4ca5cc34a496073c3873b5981f7c5fa9653296b7171b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}