{
  "manageEntity": {
    "action": "Update",
    "entityId": "822788170",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x15e476f2953b12c0c32b9cac38ab44cb37871940c91621511fcd181b825ba101",
    "signature": "0x63e0713bd0aeb69f94ac593707c75abf11213ba30c4ce58debf08d111fa308172ae8fee3f21c23c21b3916298d54a9d296d0f832db7a7acc98bc3d4777dee3bc1c",
    "signer": "0x3CD25F365962B68021CfFd6ed090911f096e00e2",
    "userId": "822788170"
  }
}