{
  "manageEntity": {
    "action": "Repost",
    "entityId": "257461965",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0fc600076f9e513d35a8223c0f533a71b7a3488cef7172e8956eb1bcffcd8c65",
    "signature": "0x3be1202d224df8d5e4384fbdf3d1d1668cf09d42383512c4f538537072401dbf3c31dcc637ff6654f7513e955d8faac071194451ce0e60bc0be4300e517b5b601b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}