{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1237723738",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5468094a0764468be131de1fca7e3e089ffbd55c7465235e5db496e8018d01c2",
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    "signer": "0xF3330D57E4B0Bc146AAF60F1B334C3b1A34330AA",
    "userId": "530760555"
  }
}