{
  "manageEntity": {
    "action": "Update",
    "entityId": "693642610",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0b7d6907e3ed6a8f187f31fced121d5078b00a1b2a6a022dc1877f18e3b26a46",
    "signature": "0xb88eb5497bbfc89868631d1677bffb288afaa9c742b00448aff14b441c784c67004975774525c4240a78fccc0099bb1f0bb7273621000993b5bd68b50c45127f1c",
    "signer": "0xd8Db0315a913d660d969AB9854141E3e3f64dfc0",
    "userId": "693642610"
  }
}