{
  "manageEntity": {
    "action": "Repost",
    "entityId": "559521",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x74f61f3a83894d662bf9508b55bf69944d67681e804da028de656ee37eb9ae92",
    "signature": "0x5a1cbf5c38d73de2a1c181f8fc5b7e06283afeb8f924da068c78f94471b423c54d10492413ffd0506588e4a2cab5485a2eac9230e6c22cd609b9870f6469a6971c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}