{
  "manageEntity": {
    "action": "Repost",
    "entityId": "789129",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x50c7257581926dd19077ea8771c5d6908ca6b20979b7d09cbb3fe78dab5f6e6d",
    "signature": "0x5789ebafb82913349eaf6cc6279735ca15d6715a4c887430585ecbcb57b5e76968f7c1e6954252d35ba9d6e75ce59e76287a537e4f0e611428cd8c81c9765f0a1b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}