{
  "manageEntity": {
    "action": "Update",
    "entityId": "113366790",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x00ba2abf31dd5c48237397e21abacace735bc3e73d8d146bd7a201bb15bd1d47",
    "signature": "0xe09ad6b4f433a81b111f7726d7f773ea41d305ccc6b00909b1f3684f508ebc39691bc3116ddbdaa44d88f3a3bb588153cd4708f7404e39cfabc19d7f5fe062481c",
    "signer": "0xE37b4eE16028F19A2C15856FdB2cBfDeab7AF4f3",
    "userId": "113366790"
  }
}