{
  "manageEntity": {
    "action": "Update",
    "entityId": "293137833",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3a37a28c06c62ce5dfc4f732bb61805eef98b121b872ab47891c1380ada82e3f",
    "signature": "0x2ecb94e3edf4938697d7f24d4ab32e6ac055fde52fecd864079ef7e7375e810024cafcbee88e6cf4570f69450cb1222c3a642c34b25ddf448b5e6290dfd5eeb31c",
    "signer": "0x9139bE80Cf6D934A072B63279dcE183f715CA770",
    "userId": "293137833"
  }
}