{
  "manageEntity": {
    "action": "Repost",
    "entityId": "129948",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x67402b3ae21e6e879c7c6f605e3b0a2e8c0b3024493e5e00ea139767d60d3b5b",
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    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}