{
  "manageEntity": {
    "action": "Update",
    "entityId": "652046817",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc078e9c75bdbbf9c64416401f1f544a8ae57e317bc3017b85df28b7db92820af",
    "signature": "0x4a94f684e1b9a54c7182742ac550597d35fe07299fd9244d1f51f936c8dcf2df64208eb7080b2e77922900b198cf6c10f2dec656d21dee4142f49798b6ea7a361b",
    "signer": "0x4361CD3BDe7cD66058e910567f406c95990d0337",
    "userId": "652046817"
  }
}