{
  "manageEntity": {
    "action": "Update",
    "entityId": "602084182",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb41de218891e318c53ab784f0b662c973facdd790dacc68bf70f46bf56f68595",
    "signature": "0xec0b1cdbd4c918c63c5d6b1203773d524c5d9d35bfe250fd677ea0a58a06df4e0073b91ff7aed36196101e2e1370f712bdfa9db6e2cba1e544358caf887227c81c",
    "signer": "0x704653bB668e896c8DDd4eC5c2D37760788E2c1D",
    "userId": "602084182"
  }
}