{
  "manageEntity": {
    "action": "Repost",
    "entityId": "388681",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x38b7e8991b8776ae89fbf97f73b716203e65e818968308b09447222a46eeea1e",
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    "signer": "0xD37b1C27752eF147a8b887Bf5F0FbE628dB0ddEC",
    "userId": "504552907"
  }
}