{
  "manageEntity": {
    "action": "Repost",
    "entityId": "407367",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2ffcb8d2d289372ea37020d866bf1be12c56d40bbc5634e0a8a676f8c9137374",
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    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
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}