{
  "manageEntity": {
    "action": "Repost",
    "entityId": "258416271",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0999f83ac03f6cd6790f9a03665fdabe2d8da9c3bba7d804dd426d5595656e4b",
    "signature": "0x8dbad2dfab7488f85d9124cc0cf44cf8db2a816b23854480dcf83b102530a86e3c36369f36b42467a82402d892a9f30bd5c6d80be06a0775b2372ef65a58073e1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}