{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1389136439",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6f6e6d17102b3680a49211b38a3c2202c2e3f7c4ea22a8e77a9a67fb11f2c286",
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    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}