{
  "manageEntity": {
    "action": "Repost",
    "entityId": "838835953",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd08b18685c786d6c8dea2d1a05050f41caf3d4600e63cf4c0a483be7179c8d8e",
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    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}