{
  "manageEntity": {
    "action": "Repost",
    "entityId": "990921",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4a00b4b72b793c5404bef844c0da334426fce478ca1db783d2f86c89ef1171b1",
    "signature": "0x42cf90c14a4fb033f908c2006857e4426b042c8c8d6670ae60981219217a952042c263709a976d4266f7a994a0cd4c61f2d0229ad5992ee108f5d00bc4b085e11c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}