{
  "manageEntity": {
    "action": "Update",
    "entityId": "715573876",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraugggxe3osdjhp25pcqute2bdx5wssuafun3ah7lnmq3ernvfpoyq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":629154592},{\"type\":\"playlist\",\"playlist_id\":375592719}]}}}",
    "nonce": "0x1d01fc369ca8e544f6c4bdc6c3240eb8a7c4bd0ef781baf1ef74595b4e7a0436",
    "signature": "0xa5f72b0d25618642d1ed5278efbf57befdf73c33eef52db0476befc12f949c88191c63ea859e409a4073ae272a13c385c4ff33a08e63c5ba07187b24aa69b8fd1b",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}