{
  "manageEntity": {
    "action": "Repost",
    "entityId": "448139",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6abad0df221ab15b2fd813c25f259d9d5fceb805f943490f0c5ebd653f5437a0",
    "signature": "0x55cd0ec905dc4715064aba8bb9df792d191f66b3aac8c287010f20edfc000f471cd0f9a23a3c219d5c935cf529b00b11a75aa8585d7302a3ca26332a67fcb07f1b",
    "signer": "0x19EDB4c1a8740c323f6e57B80F3422C01875289e",
    "userId": "390804"
  }
}