{
  "manageEntity": {
    "action": "Repost",
    "entityId": "864896147",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x30b6b675281011c9f0865d0830e6b32a3def0041c29474f72ea346149de1773c",
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    "signer": "0xB7c7Ca17B50722a7b07013820fA59328cbC2e63D",
    "userId": "17085"
  }
}