{
  "manageEntity": {
    "action": "Repost",
    "entityId": "774135321",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7d63bf79942984f2c96c7c629e8492d101d500ce6e7e5c08d6119cf5412c1c81",
    "signature": "0xa7469279945125dd4b2ebc3db3442134d4244d81e6ce164f6382deb6cbfcb3aa30d3065eb47fc3d11e0432269b76343da318b605c8d9e735412a9a5f052763de1c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}