{
  "manageEntity": {
    "action": "Repost",
    "entityId": "485944",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1a78453d57ee02cf779b6acc0ef716b55bc4096010a1074cf3fec1bfd70a93b9",
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    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}