{
  "manageEntity": {
    "action": "Update",
    "entityId": "45533741",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera273grtb7sl3h52omqmfo4er24eh6xudeptqyfjj2mck3v736f6sq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1901622140}]}}}",
    "nonce": "0x5dd5e892c7b01bfce4b3d22fbc1e1b9a2a7a7fc0bd068c00d1147c95b3610634",
    "signature": "0x12419aafc546b03bf4160c32c1fc60c7c8b48e70d46eb273a933456790b27284281df847b40553b8bc4244e946d7ec064bc56616888c6a23a5cbd49d7c8924211c",
    "signer": "0x702c449DFbCEe87652202B9Fcc8Ee1739fDB24C3",
    "userId": "45533741"
  }
}