{
  "manageEntity": {
    "action": "Repost",
    "entityId": "516394289",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc0b18ea0fda332ed5001ad86e93475da7af04c31d20337d4f8813249080b95fa",
    "signature": "0x372fb25d08404735513e28966b057ebea5b0ffa4950ebc0a8b37c6690041ea90546a63ed9305187fbdacc2cfd6b5c6da969d09e60f2896e95c77af4447adc3251b",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}