{
  "manageEntity": {
    "action": "Repost",
    "entityId": "504163390",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5e49f2d3534a593ff0756fed4f99b679c602e45a7f3fcde0a101f49cda6582d5",
    "signature": "0x72104afda0cd6cfffb1f9b59926f29adef4a2d19635890c665c16373a2c7193f0801efbef284c7546f352e9c9d92fa0b5fe500721de9813f8bee530688e7ffa81c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}