{
  "manageEntity": {
    "action": "Update",
    "entityId": "614212580",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa7e45e5403195907a36a3eba15a94e878bd63bacdf73ab9561b65c78f5924899",
    "signature": "0xb243228c214282e37b22bbb4d64d167de7b614d190c9d6b85644f1853aa5b8513ea721c98c1af2c6cc564996704bac97c43f9a721229eaf60c507a9acab33a9d1c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}