{
  "manageEntity": {
    "action": "Update",
    "entityId": "984084668",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0e6752e0377cda4d02a12362fbaed0e3ab46cc38cb31f0539651bc4b0afb19df",
    "signature": "0x61db6f805aec0393587e94e1f7306952ed7a1ef61c3be6f33912300bb2c4a73a377294009d68efb9cd25510418ee854fd470a05116a144312d5fb8b42b2b41961c",
    "signer": "0x98Fed471E66364fa74b653B3f40d95A54F14bC39",
    "userId": "984084668"
  }
}