{
  "manageEntity": {
    "action": "Repost",
    "entityId": "479371515",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5e80070156e9e325d5d3603ec49e9761344899f076d19382b0b3549be8811752",
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    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}