{
  "manageEntity": {
    "action": "Update",
    "entityId": "320708254",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraqr5gaudwhgmofskzijxvcux6drdrru3mvjq576b5qcick4cz5q4a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":467581875}]}}}",
    "nonce": "0x05ae1e013bdf70bbb9e3b98a6e2d39b1b29afe9e3b1057b579ad242d0e9145de",
    "signature": "0x06a1e789100df63cb769f2c78199eb67dadcc4fecd439d3b7cfaafaad7d2ceeb57b47fa292ab1e9ce124a05d04c91dc6855fb3653e2afd690492e65fbc1113c11c",
    "signer": "0x0Cf69629cA9d9D0b310755fe29469E02bD2D46a8",
    "userId": "320708254"
  }
}