{
  "manageEntity": {
    "action": "Update",
    "entityId": "947046802",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
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    "signature": "0x0856a4d2fc09725a1f82d4e95fbe80d3a951d82a1fdbf1130a4838aa2eab01a51c6b03a40cdb6e5b6a832713bc00fc9de5e9b416cc4435dc747f4525c2015ce81b",
    "signer": "0x1183283F52a48e28ddA927C13d3611D3f1f7BBA4",
    "userId": "947046802"
  }
}