{
  "manageEntity": {
    "action": "Update",
    "entityId": "275069541",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x47521e88bf28114e1c3bf58acfb0cda38d2c383d0cf67b835509121ba08b08e4",
    "signature": "0xd7777a6434e2f7cfb9bbe8c2474c7f3fb981032b83e3cd3a16a92db5b083078a1298c797e0dd62b77b2451d986f36e96ade8a53b0ce9c46a231a1c364ceba9fd1b",
    "signer": "0x833514eC19843bc774D26d6f85621497F1319250",
    "userId": "275069541"
  }
}