{
  "manageEntity": {
    "action": "Update",
    "entityId": "79804165",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfa08a7fc330df8b033da3621b56ee1b5945685e955bce536ae68f9fb738ee7bc",
    "signature": "0x0b7fe773e5801bd7f4b5016dff426ab8a1a881d5b88772ba8f73d6ece230e51c0953570234093190edd31f99dbc5916482ea8ae8e3be567170d2353623075a481b",
    "signer": "0xd81299912e1755E325D343C6dCF261FBbc9980ea",
    "userId": "79804165"
  }
}