{
  "manageEntity": {
    "action": "Repost",
    "entityId": "300549589",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8539d78211fd95579145d76e6892d16c16e23f77a3edb03e6ff11bc076457d14",
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    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}