{
  "manageEntity": {
    "action": "Repost",
    "entityId": "646499801",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1b61d35f4ecdf2bb3c0413cc7854887ce5b9035063997a18bd0b53e3eca5b8cb",
    "signature": "0x785986d8b50be6c70a17388cf893321d286ff5115c50c597fbe1c13cda6f1e6667803eaf45acb277471e181d9bc339c73d54b422dccc9a8841f7ac5a9d94fd6d1c",
    "signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
    "userId": "347139808"
  }
}