{
  "manageEntity": {
    "action": "Update",
    "entityId": "260593009",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x70c7b98d0df6e8efaf6a07dd9502726f383d9280cf0eb6f15cbbbc770120cc42",
    "signature": "0xd83744e83425142cb8735c088f1892ebadcbeedef0b4cefb1f95b024c981999d5245c61a1de45e9fefed0f08be3d067c735cd4393779eea84966ead39afdd7c31c",
    "signer": "0xF67346E1E8dea4E9f4a5e2Da7f2586cD4b61ca86",
    "userId": "260593009"
  }
}