{
  "manageEntity": {
    "action": "Update",
    "entityId": "560525085",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xcd437b9b35e16ee76754f6e1e6d1d0ba17edb9a8eee7a29e0816c63fbcac89da",
    "signature": "0xce732bddfd75b257c390c835c835fd00a5a48e891b2d137b71390ba7a9898b7b743e7b86597f4dd50e66e9c10fec40b89f7171e3f97ad69a72a9e08ad91d16891b",
    "signer": "0x0F0A5d21312dD5C2d4013D6E19057c2045C3f2A9",
    "userId": "560525085"
  }
}