{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1616803485",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x15d3fd9f047e2888fb6705155bed51f74d276f07cd38be81ba1c9208708c9ef0",
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    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}