{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1546549879",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x93ff4b73c24dff5590d93fb5cd8c5c0179e20627c557cf413840c0bc0c93e04f",
    "signature": "0xd388ed83fb4ad595c4c3a89433f3bfebc3a221e81c54ca110beed341e8722c865e7bf8d3559e2a7570d7d321e60b40bbec55c4c6873654f0f60cdddff9540d711b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}