{
  "manageEntity": {
    "action": "Update",
    "entityId": "58600206",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc81c50f22ef3b9c882a9bd855df091c8168338904435f35db203d30f66e23d26",
    "signature": "0xba25cdc7b6287d8c0fcc90dc9cdcd9143b0a21f7b78868d2f5170d652ac562cd674d6964108a59fc8d5f153ca739dc1ef3748913af21677f7ea480327fc5246d1c",
    "signer": "0x7D89eD1c2C9744b86AE1D1301E8F342289D2f3cB",
    "userId": "58600206"
  }
}