{
  "manageEntity": {
    "action": "Update",
    "entityId": "797231410",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc2fa55ad89b9d4572a9db003b441455315d32fe0a575610663c8d24bf0ee8741",
    "signature": "0x83061776645ac4b7f1268781f16d61a0a6482d9b54082d94b65b8200e55580ca5da714a3d67b3b9f91f1711dc9597ff80b933370890412d51450b4587417f3ab1c",
    "signer": "0x8C7c1057bcC83B88663c3Fe9bb0466Cb916441C2",
    "userId": "797231410"
  }
}