{
  "manageEntity": {
    "action": "Update",
    "entityId": "269788074",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfb3eb9f3b3ad9ae8a3fbf00b0d5cde34e93446eea1a8277404194403dcda9e20",
    "signature": "0xb4bb4397813625100bd62315fda5089020dc371dd8a768dd9c080c2f7fa9d3201ad90079f6b8df1ec987ae067130b68ac7cf2f2ba4ba4e187b74993cfbca8ee01b",
    "signer": "0xc7713Eb062b586364a25beaaBccc93E21Df318c0",
    "userId": "269788074"
  }
}