{
  "manageEntity": {
    "action": "Repost",
    "entityId": "513511541",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf9cd5ad548561c344354a0cc8d1e642031d9dd03e708b5c462c05e62fb7b475b",
    "signature": "0x7e7b64c0ba930b40c5ee933744fefc567cffdf56ede5a04f87b25528846f8fba580d9a54920c77de358fc92a5e1a1311e19eae4a5eb721d3530abcb7be6cf7331c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}