{
  "manageEntity": {
    "action": "Repost",
    "entityId": "509985048",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x39656f4157ad980d48b41ae39794fe71137dbab64ba40341ddedfb9c5c91dc09",
    "signature": "0x525ca031deeb1cd60ac1bac45db16661c8752c2fe4d86c7ef9f017e8330fde5e799eeef4b720a59b90daa4dd8b49f3f91af75037ad8ffbd454d126a4b79494c81b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}