{
  "manageEntity": {
    "action": "Update",
    "entityId": "766461388",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb59a08147b78af83ea6c5f2d62d52e406f0a7ca32009c741b3f4376799ebeafd",
    "signature": "0xe8766d7b81b386246c34f19a413514945fa8c0d2dec996ef658725ad860733893377346653890468431a3cb091976e63a4614de4abaa61543fe2556723b45c8f1b",
    "signer": "0x61e6A1F6D330893BaeF12f4A5520567D90456B41",
    "userId": "766461388"
  }
}