{
  "manageEntity": {
    "action": "Update",
    "entityId": "226783633",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xefce80eea8015fa4994e27caebd804276328251141a2c2ef0ce84adf1877ec82",
    "signature": "0x7dfee79bb0da8e359ce4657b26f3cfc9959cac322f33740005435739f7fb730879a8de537833159f7ac75a630827177347498c761c9438051f2a938c0a9542371b",
    "signer": "0x09F526D9F3fd00CAFaCBc826F871Acc14B901962",
    "userId": "226783633"
  }
}