{
  "manageEntity": {
    "action": "Repost",
    "entityId": "757389109",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x80024f80db10dcdf5a4254fdf748dcb612763a4ac3e8a9d32225cfe50d5f6385",
    "signature": "0xe19854d4adb87c0be0a952d97212928786bd66e48a37223f186f8a33b924e9850d6d4eda890f570e8cd519cf74253181edc039b01c0d14e74c46e616bc44bae81b",
    "signer": "0x19EDB4c1a8740c323f6e57B80F3422C01875289e",
    "userId": "390804"
  }
}