{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1990494978",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x71cd6e8e792d7f7ac24abe9da5ff10edf7400456d9c1e950cd2e415a87a81ddb",
    "signature": "0xce836a9fd547e2cefcefc82f575b92c9f147fc1da56bf5845f5aba21df6fdb575212a05429f57b1fe2bd5cbc0f6b32aae553d104fb574202e7f9267331d5ac4f1c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}