{
  "manageEntity": {
    "action": "Repost",
    "entityId": "542115954",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x39bc4870c2cb77a023a7a7e6281c894aed0f445f15cfe084414411e22f138263",
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    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}