{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1977675772",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x40564726b8acf432d96ecda2c84b743943d5583991411c2129f571fc3c003f36",
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    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}