{
  "manageEntity": {
    "action": "Update",
    "entityId": "293079302",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8e6cc28da90e14911d957331c6abc9ec20666ce7d07b8303347c15f0076b8671",
    "signature": "0xc13c3d0a7a2ac3efa6d7c428dbcf1e20e0ed4becee6c27beb8a8ff85e72b33894c3c72446e373a803c193ad408130b64b3edc9d3baf2f5c283599c4464366e991c",
    "signer": "0xf09655016E5BC398915040fFD29A085937AC6928",
    "userId": "293079302"
  }
}