{
  "manageEntity": {
    "action": "Repost",
    "entityId": "964638",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb98b5b790c3f558c6f931fcb14a9879c86204d3073fb401c3749da5979dc1f5d",
    "signature": "0x341d9c2eeb4296bf4de7b0104596c66d6706787280dcc549ffcde4b331ffe3d84163f9ce78caa14be696e4923a83ef8613d0e3655e7d19caf8035944643bcc5d1b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}