{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1590568015",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x96a4a38dfecfcfeac5ef9884a54046d7866232d3f15db02a89296ccb835355ea",
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    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}