{
  "manageEntity": {
    "action": "Repost",
    "entityId": "454908",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9c7a31f8c9b8fc75d4299b51fe1cc7faa891e3099982bc06b2380b6e4b23ac47",
    "signature": "0x99378b22f7a0b2810cd5bc4c4ceaad74be1cb215f5586474714bf9dd92d3758321012bfae4999b4327ad64162762a84c17e214d51b26230d0d20ba3f4fb9042f1b",
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    "userId": "77551267"
  }
}