{
  "manageEntity": {
    "action": "Update",
    "entityId": "106462805",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x718a7390db873556012e9447fa952737dfc756068a3621f51ffe06ca7f0d4c07",
    "signature": "0xa5ed539322ce552fb5052af643187e3955993844594d16ca86f916a2307156c873472578db3c44b8fa649445ba60a0f5d4ce1f392ce050b7d73102098f94fe1a1c",
    "signer": "0x4FD7Cf7D634F5F26e577538A55E55eDF91665C01",
    "userId": "106462805"
  }
}