{
  "manageEntity": {
    "action": "Update",
    "entityId": "410384899",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xad826614347508c43fd711fa307b1e5e3f4518b0eb556a7af054808d0f08dccd",
    "signature": "0x95558302c449401ef21b177efa34d89884a872c985df7dd5ef468979a0c8b9813e151b5a15fac2a9ceef2b56cc13acbce719571268ef502e6a358e52cb69330e1c",
    "signer": "0x17E41Fa889E2F72a21C27dfD96D51AFB54Ec6a95",
    "userId": "410384899"
  }
}