{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1881631444",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xbe2f16490a7453a1c62e283e8fbc556e2b5cc7b4dc179b242acf31e99c8d25cc",
    "signature": "0x905c75eea6596e4ea4741eaf43ea68287592864f6e849b5f575dd66f69aa719a5d05180c86d585cda51093c12a4e89d89dda77ec4ecb8b0528b72153fecf54a61b",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}