{
  "manageEntity": {
    "action": "Repost",
    "entityId": "557258333",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x60a874afa46e15ecf49c923f4e7d5f9f8bdfc5a1c1e3f147bd695125556a52ad",
    "signature": "0x203558fd874b278db4e0f28d65ab6927cac9acf931b99ad61b8b832ccda3bc3c38b02a9941350e734dd8d0c5dd36013fe08249689efb3f989b76180f788b92081b",
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    "userId": "667809204"
  }
}