{
  "manageEntity": {
    "action": "Repost",
    "entityId": "767477416",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x98e8678c021813524cb879b8fef8ec2c14a00fd22a9803b2ccdad60be54636ad",
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    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}