{
  "manageEntity": {
    "action": "Repost",
    "entityId": "419356428",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6b52674e8ffe1e79798ce29d515f0b934cb5e8c3ac1e5da36eb3e80111582c8b",
    "signature": "0x4754945bbcd2494681d12c0d75040f86c4d8403783650fb3a9667574a66ed39a577abe5a68a1c02dcc48e8ecb9142a0b8e3a62db515abc71c273e1f806057a1f1b",
    "signer": "0x14FF2Ce3bf23AEeC9C140996251F6f85D8e99431",
    "userId": "53273933"
  }
}