{
  "manageEntity": {
    "action": "Repost",
    "entityId": "449574",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb6910d2fdcac1d4d81f7737aaf23ba58ff453f2a3b020a58b2db4b5e90c80cd3",
    "signature": "0xc82f45cccd55456c0afcc20f1c4b4194f8df16c3dd718365429e2caa9a815e9f546ca6746b841af81a4c94bcc5ae7f41989d173239fd96ffc9095cfe2a6ddb9b1b",
    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}