{
  "manageEntity": {
    "action": "Update",
    "entityId": "861832117",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf3776d6364506d35fd6c1fa9ba92af6a6752563bbe31434b2ad11b2a3aba8f4b",
    "signature": "0x99752e198313fb6d548b491760fd9d5803fecc7590de033126b0dda02e8c531c16fb13767e76f4bde41258f17714a3f326260430cbb42a7772a65e322fdfe7701c",
    "signer": "0xe083C6657964CDF8edDa4A2141B67047B9816C35",
    "userId": "861832117"
  }
}