{
  "manageEntity": {
    "action": "Repost",
    "entityId": "621511",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x90257c8f5fe6000d1daaefcd9fb8b21bc233d67300b510ca16100a8b1f2f4d3d",
    "signature": "0x94e6232adf209ee6ee4e7dbd3df289ea1b9c540487d4360cb6a1ea170f76f1470c91c47d265cce0528aae8bd3bc0bd1447b210f1efb102ed018e6c5ae8aaac981c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}