{
  "manageEntity": {
    "action": "Repost",
    "entityId": "574990593",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb7e7a5b55f76808cd7a58961c716303f9119e181e382af5e2346be6bc355ce1e",
    "signature": "0xde9f6f84c13bde93d1f11281b83b388556b9a91c7cbf49ebc18a5a0670d0998d090e09acca1a92d2dc3537210d0d2804aedc6b20f7fc0cbf78fa09087a2715071b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}