{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1399510076",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb3a590c6fc13c2b46e4776dd7ab5aa425e61533c1527a388ac744718564e590f",
    "signature": "0x62c5db378e25b21668df8159b9dab9bd6347192bc96fd4c59cb79b482de342c77f165f6ba770ceaec8f58582de9c152f793621b36d078a641c1495aebd87279a1b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}