{
  "manageEntity": {
    "action": "Update",
    "entityId": "29114334",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x943310fe01911d35f76f0b98ed13a61616549b5b11968eb94e2f956182d29dba",
    "signature": "0x099f2ff88aaaba0a8378f930f855fd926ca17d5b2f6dfeca1ee37b6e6b4ca7ed3dfad02c74f992b0ca5ea098f838943b019a9dfb7f101005cdf814d276f58f361c",
    "signer": "0xfC577feBb409AA095E990E5446388414cBFEaDbd",
    "userId": "29114334"
  }
}