{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1573294273",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x01b57c771b19bd23f40726770bd91b26593573bed564c7f46fc87b2858e56b7e",
    "signature": "0x474b9bd4476aaccdaa42feac8f2ad0fe87355cae109f4ff334c357be4057537d29501c700428f592edc9ce4c5e7ef42151350514641b180a7814fda92ba92ee01b",
    "signer": "0x1eE84320039AD6bA42d9adE98E2a41193A4c98B3",
    "userId": "277046119"
  }
}