{
  "manageEntity": {
    "action": "Repost",
    "entityId": "520339",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc59dc5488588a28fc2580e2ec9117920aecfebb2721e22af316639664809b403",
    "signature": "0x1bedbd4b4cc7c5f6c28973467c8302c190b02ef61dab3ae42a14e9506aa717616db35f3e78c7f2aaa31cc338e473372a01d5d877553297195d408945afb92b0b1c",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}