{
  "manageEntity": {
    "action": "Update",
    "entityId": "358833562",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xca1794a2dc9fc1260a54ca863cc90d3c72841d76b9779cd1abf53bedd151bd72",
    "signature": "0xfb0ac7ddcdfd788bf705e3a3ba9665c305ecd9abfc47354981e506f4b0a96319554dff87aa1168f2b7b6c06b8f5e5d2344982f8cec4306c681bd374bbe57d1811b",
    "signer": "0xcBc71de214E83b3C3300D82C31f0FCF60E32F112",
    "userId": "358833562"
  }
}