{
  "manageEntity": {
    "action": "Repost",
    "entityId": "514424",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1491819979899882a8b33b788fd7056c5ab3f4d6f0a2ca7e1e96ef6955abebdd",
    "signature": "0x16ac738cbb9df7530373d32bcb8e7099b65d07f520ce4cd362182f81fa3224214e0a4adc789b493655a77e1d74a34c0a771a39f4cce7260363b8f90777c5dcc21b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}