{
  "manageEntity": {
    "action": "Repost",
    "entityId": "864234321",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdce4162404f934e0bab354d6d747bd0a3888d5823f2cf32b8df4cd0d3954b7ba",
    "signature": "0x7ee4ae7f68bd0a44abeef475972f918dbe0f8345da1f038a73f71f8c2f7ed01c211affe2230976736c01d5b71ae02e00ef4b49b67fb61b41efdd785f0e1399581c",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}