{
  "manageEntity": {
    "action": "Create",
    "entityId": "739372291",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_name\":\"Inspiración\",\"is_private\":true,\"playlist_contents\":[]}}",
    "nonce": "0x5ddd753ef0e4182e3badaf19b2cafe3cb3a9c2b6f9a02c834fcbf87ca3cc3407",
    "signature": "0xcd8f9353665fc7998f4fcb6d5e8b4d4f34c020dc6738aff33f20e21cba307616641a5f5cde74e0451ba8a23267f5334ecb902748eb96ab2d896c5bf9fb21ea5e1b",
    "signer": "0xE0525026F59D952AE2CDA2f28771796C2d7f7D97",
    "userId": "415044996"
  }
}