{
  "manageEntity": {
    "action": "Update",
    "entityId": "133059980",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd4dee1ec16f79bbeb760b71fd662985421aecc66cf6e4a4abb123eaed39a7d20",
    "signature": "0x56f07b70a2307411edf0e356bf37431f6863f2a0e67ad8be4707080b3a4af253448934f5ab8de2c5913e7332061e4575055ecd75e28e038aeb8bf98c4f3e6cec1c",
    "signer": "0x2c53863503f8F734Fe44b2cCd02B493f8d284d00",
    "userId": "133059980"
  }
}