{
  "manageEntity": {
    "action": "Repost",
    "entityId": "380636299",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x273f4f79c558d2c188f070ef458251c104edb48ab4063f1c104ea4f0bb00b76c",
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    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}