{
  "manageEntity": {
    "action": "Repost",
    "entityId": "640361",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x876eda273ede60eed3026696f769a25fef4155df4de0f00b8ef13b305ce0d814",
    "signature": "0xca0553e0a187ba5ca4e91de4ecd263ba19e3ff58e841dd7be4e1d92cb2c0c49305a2e7a8cf857638b7ff98a746f9489278a6cb027fb5b30aebafd23b8c8be5d11b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}