{
  "manageEntity": {
    "action": "Repost",
    "entityId": "438237313",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xce55f50d394e0b508d43bbc837aa227409381232ce7d242f524383adf24acf1e",
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    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}