{
  "manageEntity": {
    "action": "Update",
    "entityId": "883371622",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x205aa5360ee05e0329ee8e680c9a5dadcbcfec22df8e4a4ba9a739192ba00aef",
    "signature": "0x3ad1fbac673695b800f8698d0bf1b7c548515dfc16538d9a257bb920bd2237d438711cd9a686e8cb7dd6a18fda16a208281f0e8486b859472264d97b2ce9593d1b",
    "signer": "0xc6b23Cb42b83e01246Ca4E7A79A41d51Dd830B4E",
    "userId": "883371622"
  }
}