{
  "manageEntity": {
    "action": "Update",
    "entityId": "117156175",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x4580f23f9f561d3f5c4f9633631ea11fe2b5ee270038eed5a446b33a4bc3b2fc",
    "signature": "0xa199daefdf33b619bf5cf3a42408c228ada223e538355a86f5671e9c6f8485ec165b9f1057f985c775ee53e6100536589d57a94942d75fd4312a93caa9d2b2851c",
    "signer": "0x844940D4E9534dA1100b0E9c3eC5D02a4fc0FF1f",
    "userId": "117156175"
  }
}