{
  "manageEntity": {
    "action": "Repost",
    "entityId": "521785509",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x331e3713868ac308d58f7ecc14ae5138496b1705531e408a4e0714165b7fc414",
    "signature": "0x5a51c15ef730d03d787f806906f6e7d1cf048f9ba9ddb96672c88256c0fc51c7160de834e3e09bfc60fa7a539ce6640ee5a45273cb16b1cadb6d1d7143b5d0b91c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}