{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1643607686",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb9b296928aa5b1c7347888ba444e1cd2115d13a0e47dbc2ee363a729a26961f2",
    "signature": "0x7e15515ce7775668e46a7fb29ccd22ef325318890a2c381c38917f2bb45ea08477c308a1f4e314043c834536dbf7c7c82cd2214a5d7964b8956a771d9a4c171f1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}