{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1489760539",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5e6da8fd03048d0659dc155b1af31763c871ec400b10ca9ba123d3247b19c82c",
    "signature": "0x2e83d832763a5233e9001fddcb5e02e942a806996a9f87d0aa331e23a28baf2569a98d741726aa2e8f3eed4c71388458ff52c4d3bfdbe0d3cbfac512758acf361b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}