{
  "manageEntity": {
    "action": "Repost",
    "entityId": "574132258",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x14790fb5a3e1b107b44921074ff9017a20cf41f9d9fc9349dfdecaca68c2110f",
    "signature": "0xbbd9324be65ddc959d6ef535f301033e98a69957018a44ea0218b62bd440b0017c9f386ee2ad9c2fe57bde3f2d0e1862db0af23fe9649631d600c89d61b304561c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}