{
  "manageEntity": {
    "action": "Create",
    "entityId": "1938928613",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"genre\":\"Rock\",\"is_album\":true,\"mood\":\"Other\",\"playlist_contents\":[{\"timestamp\":1792308783,\"track_id\":949897290},{\"timestamp\":1792308784,\"track_id\":2049272021}],\"playlist_image_sizes_multihash\":\"baeaaaiqsec6iygjgbazmrsqrn3w575j2qgks2guq3y4c6p2oz3jekj7xuvdfw\",\"playlist_name\":\"Momac\"}}",
    "nonce": "1792308783357325396",
    "signature": "0x44e6035eb2f454d66bb6fc5d68cdba56bb51993a3178846480bb6077adfdc6bb6673381ba9acd22c14eea06fb7b6b2f40132b01d53e44be01b6a19b86bfe3c021c",
    "signer": "0x7d853670b15a2150BFfd80b516C26EEd400f695a",
    "userId": "850116073"
  }
}