{
  "manageEntity": {
    "action": "Repost",
    "entityId": "529977535",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6b72fa4869b3af2485573ba5981cc3fa9c9dcb7ed262234ead436bbb53c35993",
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    "signer": "0xf9e0f98aE94C5dc33fBBB886F0Ec6eeBB2e85358",
    "userId": "48839"
  }
}