{
  "manageEntity": {
    "action": "Repost",
    "entityId": "21737",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x400220bca80a2a1de383414617482142addc5b745b97f098920888dd7f23e4e9",
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    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}