{
  "manageEntity": {
    "action": "Update",
    "entityId": "969111903",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xaef7d644309d167d24ff7e3bd673bd98a3e53352f26d6fa38d6b29268214e39b",
    "signature": "0x58d3aed0c3e25e55c73d16ec642e8809fbe51b2d29d9229ae51f4042c382b8192c3d033525136fc247b25d0a580375dd01abe034daa8b62d895a11bd5ec6691a1b",
    "signer": "0xA0422BD1d310E6172692584428d64c04D4185c7E",
    "userId": "969111903"
  }
}