{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1390290205",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x19cb3974153a723426a8d92590ee7ae91ce0d112b9b4c1c7943bfe7e8a498a03",
    "signature": "0x42e32afd445b238efdf764bf4991b893feeef83095fe421b2a404a7fd9b8225f5b8bd8fdf534caeb48876208cf2d266e2c92fdbf3c827954bf1d40ff144aa9d01b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}