{
  "manageEntity": {
    "action": "Update",
    "entityId": "29088079",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb22fff2800f7416116f834b6363ff69df3e2d97ce3eaac238e11b2975b274dc5",
    "signature": "0x22cd080093ad3a602795734480a945546c4137bb2e3c3217eff75707dbd1c1895f857e517bf4290873a359297162e5e3d1476c2fad674522e385f42e9a9b70e91b",
    "signer": "0x0E71C12c426F5C9206F778713f48B60477CA943b",
    "userId": "29088079"
  }
}